Vulnerability · Published May 7, 2025 · Assigned by mitre
CVE-2025-47203
Medium 4.5
In plain English
A medium-severity OS command injection in Dropbear SSH from Dropbear SSH Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.5Medium
Exploit odds (30 days)0.6%top 51.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
dbclient in Dropbear SSH before 2025.88 allows command injection via an untrusted hostname argument, because a shell is used.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.24 | dropbear | 2025.88-r0 | ALPINE-CVE-2025-47203 |
| Debian:12 | dropbear | 2022.83-1+deb12u3 | DEBIAN-CVE-2025-47203 |
| Debian:13 | dropbear | 2025.88-1 | DEBIAN-CVE-2025-47203 |
| Debian:14 | dropbear | 2025.88-1 | DEBIAN-CVE-2025-47203 |
| Ubuntu:22.04:LTS | dropbear | no fix listed | UBUNTU-CVE-2025-47203 |
| Ubuntu:24.04:LTS | dropbear | no fix listed | UBUNTU-CVE-2025-47203 |
| Ubuntu:25.10 | dropbear | no fix listed | UBUNTU-CVE-2025-47203 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Dropbear SSH Project | Dropbear SSH | 0 – before 2025.88 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
References
- https://github.com/mkj/dropbear/blob/master/src/cli-main.c
- https://github.com/mkj/dropbear/blob/master/CHANGES
- http://www.openwall.com/lists/oss-security/2025/05/09/4
- http://www.openwall.com/lists/oss-security/2025/05/12/6
- http://www.openwall.com/lists/oss-security/2025/05/13/1
- http://www.openwall.com/lists/oss-security/2025/05/13/3
- http://www.openwall.com/lists/oss-security/2025/05/13/10
- https://lists.debian.org/debian-lts-announce/2025/05/msg00020.html